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Finding the Fourth Proportional to 34,672.81, 47,848.42 and 18,757.26

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Solution

The fourth proportional to 34,672.81, 47,848.42 and 18,757.26 is: 25,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,672.81 : 47,848.42 = 18,757.26 : x
  2. Step 2: Convert to fraction form
    34,672.81/47,848.42 = 18,757.26/x
  3. Step 3: Cross multiply
    34,672.81x = 47,848.42 × 18,757.26
  4. Step 4: Simplify right side
    34,672.81x = 897,505,254.53
  5. Step 5: Solve for x
    x = 897,505,254.53/34,672.81
  6. Step 6: Final answer
    x = 25,884.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.